<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <script>
    // 模板字符串
    // const str = `this 
    // is a \`string`
    // console.log(str)

    const name = "tom"
    const str = `hey, ${name},${1 + 1},${Math.random()}`
    console.log(str)

  </script>
</body>
</html>